AVR Libc Library Reference
INTMAX_C(value)
INT8_C(value)
UINT8_C(value)
INT16_C(value)
UINT16_C(value)
INT32_C(value)
UINT32_C(value)
INT64_C(value)
UINT64_C(value)
UINTMAX_C(value)
define a constant of type intmax_t
